diff --git a/ChangeLog b/ChangeLog
index 13ba69e..67e56a3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22,6 +22,8 @@
    * Fix parsing of PKCS#8 encoded Elliptic Curve keys. Previously Mbed TLS was
      unable to parse keys with only the optional parameters field of the
      ECPrivateKey structure. Found by jethrogb, fixed in #1379.
+   * Return plaintext data sooner on unpadded decryption, as stated in
+     mbedtls_cipher_update documentation. Contributed by Andy Leiserson. #1180
 
 Changes
    * Improve testing in configurations that omit certain hashes or